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Infants' visual-proprioceptive intermodal perception with imperfect contingency information.

Mark A Schmuckler1, Derryn T Jewell

  • 1Department of Psychology, University of Toronto at Scarborough, Scarborough Ontario, Canada M1C 1A4. marksch@utsc.utoronto.ca

Developmental Psychobiology
|April 25, 2007
PubMed
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Five-month-old infants recognize their own movements even with imperfect visual feedback. Spatial and temporal contingency information is key for this self-movement recognition in infants.

Area of Science:

  • Developmental Psychology
  • Infant Perception
  • Intermodal Integration

Background:

  • Infants can distinguish their own movements from others' visually.
  • Prior research established self-movement recognition with direct visual feedback.
  • The role of imperfect contingency in infant self-perception was unexplored.

Purpose of the Study:

  • To investigate 5-month-old infants' recognition of self-movement under imperfect contingency conditions.
  • To determine the influence of spatial and temporal contingency on intermodal self-perception.
  • To extend previous findings on infant self-other discrimination.

Main Methods:

  • Two experiments were conducted with 5-month-old infants.
  • Infants' self-generated movements were visually displayed using an attached mobile.

Related Experiment Videos

  • Contingency levels (spatial, temporal) between felt and seen movement were manipulated.

    • Main Results:

    • Infants recognized self-movement when a mobile was directly attached, despite imperfect contingencies.
    • Intermodal recognition failed when the mobile was indirectly attached, weakening contingencies.
    • Both spatial and temporal contingency information were crucial for self-movement discrimination.

    Conclusions:

    • Infants utilize imperfect contingency information for self-movement recognition.
    • Sufficient spatial and temporal contingency are necessary for intermodal perception of self-movement.
    • This research highlights the sensitivity of infant perception to movement contingencies.